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Emergency Medicine Doctors in California

Data updated monthly · Last refresh October 2026

7,777 Emergency Medicine providers practice in California, including 234 (3%) offering telehealth. The largest concentration is in Los Angeles. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

7,777providers
234telehealth
Los Angelestop city

Emergency Medicine by city in California

Choose a city to see providers there.

Emergency Medicine in Los Angeles630 providers
Emergency Medicine in San Diego496 providers
Emergency Medicine in Sacramento371 providers
Emergency Medicine in San Francisco291 providers
Emergency Medicine in Oakland251 providers
Emergency Medicine in Fresno229 providers
Emergency Medicine in Torrance196 providers
Emergency Medicine in Orange179 providers
Emergency Medicine in Loma Linda169 providers
Emergency Medicine in Stanford164 providers
Emergency Medicine in Bakersfield117 providers
Emergency Medicine in San Jose114 providers
Emergency Medicine in Colton109 providers
Emergency Medicine in Riverside104 providers
Emergency Medicine in Walnut Creek97 providers
Emergency Medicine in Rancho Mirage76 providers
Emergency Medicine in Visalia73 providers
Emergency Medicine in Long Beach69 providers
Emergency Medicine in Modesto68 providers
Emergency Medicine in Santa Rosa64 providers
Emergency Medicine in Palm Springs63 providers
Emergency Medicine in San Leandro59 providers
Emergency Medicine in La Jolla59 providers
Emergency Medicine in Anaheim58 providers

Emergency Medicine providers in California

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Richard Drucker
Santa Cruz, CA · No drug or device payments recorded (2025) · (831) 458-5537
Dr. Robert Pollard, M.D.
Santa Cruz, CA · $78 in drug and device payments (2025) · (831) 425-7991
Dr. Sarah Casper, M.D.
Santa Cruz, CA · No drug or device payments recorded (2025) · Telehealth · (831) 458-5537
Dr. Sarah Feldmann, D.O.
Santa Cruz, CA · No drug or device payments recorded (2025) · (831) 462-7700
Dr. Steven Silverstein, M.D.
Santa Cruz, CA · $42 in drug and device payments (2025) · (303) 770-4693
Dr. Terry Lapid, M.D.
Santa Cruz, CA · No drug or device payments recorded (2025) · (831) 335-0905
Dr. Thomas Halderman, PA
Santa Cruz, CA · No drug or device payments recorded (2025) · (831) 458-5537
Dr. William Hencke, MD
Santa Cruz, CA · No drug or device payments recorded (2025) · (831) 462-7730
Dr. Albert Schultz, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3200
Dr. Alicia Gonzalez, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3000
Dr. Brian Jensen, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3200
Dr. Carsten Zieger, D.O.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 922-0561
Dr. Charles Merrill, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3200
Dr. Cheryl Durstein-decker, M.D. FACEP
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 346-3456
Dr. Cheryl Reeder, DO
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 332-8182
Dr. David Duke, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3200
Dr. David Ketelaar, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3200
Dr. David Oates, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3561
Dr. David Radler, MD
Santa Maria, CA · $37 in drug and device payments (2025) · (805) 739-3000
Dr. Debra Weinstein, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3200
Dr. Felipe Firmo, MD
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3000
Dr. Frederick Wise, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 925-8332
Dr. Gregory Simmons, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3114
Dr. Gregory Whitcher, MD
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3000
Dr. James Verwest, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 922-0561
Dr. Matthew Cote, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3200
Dr. Mellissa Sydney, DO
Santa Maria, CA · No drug or device payments recorded (2025) · (855) 993-5209
Dr. Paul Webber, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3200
Dr. Robert Teaford, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3200
Dr. Shannon Cooper, MD
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3000
Dr. Simon Boughey, MD
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 937-1863
Dr. Stacy Harmon, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3200
Dr. Theodore Armstrong, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 332-8185
Dr. William Hurst, M.D.
Santa Maria, CA · No drug or device payments recorded (2025) · (805) 739-3200
Dr. Ami Kurzweil, M.D.
Santa Monica, CA · $32 in drug and device payments (2025) · (323) 500-0099
Dr. Amy Kijner, PA
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 582-7089
Dr. Christianna Sim, MD
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 794-0585
Dr. Christopher Belfour
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 794-7700
Dr. Christopher Martin, M.D.
Santa Monica, CA · No drug or device payments recorded (2025) · (831) 818-5309
Dr. Colette Wiseman, M.D
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 736-8999
Dr. Czarina Roxas, M.D.
Santa Monica, CA · $27 in drug and device payments (2025) · (310) 829-8441
Dr. Daniel Grossman, MD
Santa Monica, CA · $50 in drug and device payments (2025) · (310) 582-7089
Dr. Danielle Gibson, MD
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 825-9111
Dr. Dario Mcdonald, M.D.
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 319-4000
Dr. Dominique Dabija
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 315-8900
Dr. Edward Cotner, MD
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 582-7089
Dr. Ellen Kettler
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 301-8860
Dr. Eniola Gros, MD
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 794-7700
Dr. Erich Wieshofer, MD
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 794-7700
Dr. Hares Najand, MD
Santa Monica, CA · No drug or device payments recorded (2025) · (310) 582-7080

Common questions

How many Emergency Medicine providers are in California?

There are 7,777 Emergency Medicine providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Emergency Medicine providers in California offer telehealth?

Yes. 234 of the 7,777 Emergency Medicine providers in California (about 3%) report offering telehealth services in CMS data.

Which cities in California have the most Emergency Medicine providers?

Los Angeles (630), San Diego (496), Sacramento (371) have the highest concentration of Emergency Medicine providers in California.

How many Emergency Medicine providers in California received drug or device company payments?

1,103 of 7,777 Emergency Medicine providers in California (14%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Do most Emergency Medicine Doctors in California work in independent practices or large health systems?

Among 4,164 Emergency Medicine Doctors in California enrolled in Medicare, 7% bill through a solo or small practice with fewer than 10 clinicians, 27% through a mid-size group of 10 to 99, and 66% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Emergency Medicine Doctors in California work at?

According to CMS facility affiliation records, the California hospitals where the most Emergency Medicine Doctors hold privileges are Uci Health-Orange in Orange; Stanford Health Care in Stanford; Kaiser Foundation Hospital - Oakland/Richmond in Oakland.

Related reading on HealthcareDiscovery.AI

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Emergency Medicine in California? Get featured.